Home / 20,836.93-28,725.03-14,858.20

Finding the Fourth Proportional to 20,836.93, 28,725.03 and 14,858.20

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Solution

The fourth proportional to 20,836.93, 28,725.03 and 14,858.20 is: 20,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.93 : 28,725.03 = 14,858.20 : x
  2. Step 2: Convert to fraction form
    20,836.93/28,725.03 = 14,858.20/x
  3. Step 3: Cross multiply
    20,836.93x = 28,725.03 × 14,858.20
  4. Step 4: Simplify right side
    20,836.93x = 426,802,240.75
  5. Step 5: Solve for x
    x = 426,802,240.75/20,836.93
  6. Step 6: Final answer
    x = 20,482.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.